Which of the following elements of the lac operon and its associated regulatory factors function in cis? The lac repressor. A. СAP. В. The lac operator. C. The lac promoter. D. beta-galactosidase. Е. CAP site. F.

Which of the following elements of the lac operon and its associated regulatory factors function in cis? The lac repressor. A. СAP. В. The lac operator. C. The lac promoter. D. beta-galactosidase. Е. CAP site. F.

Name: Which of the following elements of the lac operon and its associated
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Description: Which of the following elements of the lac operon and its associated regulatory factors function in cis?The lac repressor.A,CAP.B.The lac operator.C.The lac promoter.D.E.beta-galactosidase.CAP site.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 9TYU: A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous...

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In the lac operon, the lac genes are transcribed in the presence of lactose because a RNA polymerase binds to the operator b The repressor can not bind the promoter c Production of the repressor protein is inducible d The inducer binds to the repressor e The inducer binds to the operator
If CAP is bound to the Promoter of the Lac Operon and the repressor protein is not bound to the operator, which of the following is true: a.Glucose Levels are low & Lactose is absent b.Glucose is absent & Lactose is present c.cAMP is low & Lactose is Absent d.Glucose and Lactose are Present e.cAMP is low & Lactose is present
Which protein(s) would be bound to the DNA of the lac operon in the presence of both lactose and glucose? A.) both lac repressor protein AND CRP-cAMP B.)neither the lac repressor protein NOR CRP-cAMP C.)the lac repressor protein D.)CRP-cAMP
A mutation occurs in the lac operon operator site such that LacI can no longer bind to the operator site. The effect that this mutation has on the cell is that a. the activity of the lac operon will not be affected. b. the cell can no longer convert lactose to glucose. c. the expression of the lac genes cannot be turned off. d. the expression of the lac genes cannot be turned on.
If β-galactosidase is expressed when lactose is absent, what does this suggest about the lac operon? a) There is a mutation in the repressor protein b) There is a mutation in the catabolite activator protein c) There is a mutation in the promoter region d) There is a mutation in the luxI protein
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What is the effect of a mutation in the allosteric site of the Lac Repressor protein? A) The Lac Operon would always be expressed whenever glucose is absent. B) The Lac Operon would never be expressed in any environment. C) The Lac Operon would be regulated normally. D) The Lac Operon would be never be expressed in lactose but would always be expressed in glucose.
In order for the lac operon to be triggered, lactose must be present and ________. a. cAMP levels low b. glucose stores depleted c. glucose levels high
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Which will be bound to the Lac Operon in an environment with lactose and glucose? A) both repressor and CAP B) repressor only C) CAP only D) neither repressor nor CAP